make: "directive-if.mk" line 13: 0 evaluates to false. make: "directive-if.mk" line 17: 1 evaluates to true. make: "directive-if.mk" line 40: Unknown directive "ifx" make: "directive-if.mk" line 41: Unknown directive "error" make: "directive-if.mk" line 42: if-less else make: "directive-if.mk" line 43: Unknown directive "error" make: "directive-if.mk" line 44: if-less endif make: "directive-if.mk" line 47: Malformed conditional () make: "directive-if.mk" line 57: Quotes in plain words are probably a mistake. make: "directive-if.mk" line 66: Don't do this, always put a space after a directive. make: "directive-if.mk" line 70: Don't do this, always put a space after a directive. make: "directive-if.mk" line 76: Don't do this, always put a space around comparison operators. make: Fatal errors encountered -- cannot continue make: stopped in unit-tests exit status 1